/Engine/Source/Runtime/Slate/Public/Framework/Application/SlateApplication.h
virtual bool OnControllerButtonPressed ( [FGamepadKeyNames::Type](API\Runtime\ApplicationCore\GenericPlatform\FGamepadKeyNames\Type) KeyName, [FPlatformUserId](API\Runtime\Core\Misc\FPlatformUserId) PlatformUserId, [FInputDeviceId](API\Runtime\Core\Misc\FInputDeviceId) InputDeviceId, bool IsRepeat )